The graph of an exponential function, y = a(b)", is displayed below. 18 16- 14 12 10- 8 (1,6.8) (3,19.652) (2,11.56) a) Write an equation for the exponential function. Use x and y for your variables, and begin your eq with y = Hint: If you do not know how to start, write down an x/y table and record the points that you have E given. b) Evaluate your function at x = 7.

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